Of the Egyptians also there are accurate chronicles. Ptolemy, not the king, but a priest of Mendes, is the interpreter of their affairs. This writer, narrating the acts of the kings, says that the departure of the Jews from Egypt to the places whither they went occurred in the time of king Amosis, under the leadership of Moses. He thus speaks: "Amosis lived in the time of king Inachus." After him, Apion the grammarian, a man most highly esteemed, in the fourth book of his Ægyptiaca (there are five books of his), besides many other things, says that Amosis destroyed Avaris in the time of the Argive Inachus, as the Mendesian Ptolemy wrote in his annals. But the time from Inachus to the taking of Troy occupies twenty generations. The steps of the demonstration are the following:—